Granted Patent
Utility
US 6,143,197 · App. 09/360,320
Methods and compositions for improved oxygen scavenging
Inventors:
William Gauthier, Drew V. Speer
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Jul 23, 1999
Inventors
William Gauthier
Drew V. Speer
Assignee (at issue)
Cryovac, LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.